The top ten brands of leather sofas I know are:

Chivas Regal Sofa: the main first-class functional sofa.

Stellan \ C & ampc: a leading private enterprise in China.

Du Lang: a famous trademark in Sichuan Province.

Qumei: China's well-known trademark and China's environmental label certification.

Conneden: A well-known brand in the industry.

Li Hao: Zhejiang famous brand products.

Gith: A well-known trademark in China and a famous brand in China.

Dynasty furniture: one of the panel furniture manufacturers.

Quanyou: a large modern furniture manufacturing enterprise.

Qumei Furniture: Home Furnishing Group.